<?php
/**
* A dummy element that output nothing.
* You can store data in it, but It will be not __toStringd to html.
**/
class Dummy extends elementInner
{
    /**
    * The dummy constructor. It only has $label parameter.
    * @param $label can be a string or a object
    */
    public function dummy($label=NULL)
    {
        parent::element(null,null,null, $label);
    }

    /**
    * it __toString return nothing (a empty string);
    * @return return nothing (a empty string);
    */
    public function __toString()
    {
        return '';
    }
}
?>